Managing Your Practice The Impact of Guiding Principles: A Conversation with Dave Butler
Nov 21, 2025
Dave Butler, Co-CEO of Dimensional Fund Advisors, is a longtime leader who helped formalize his firm’s guiding principles. He discusses crafting inclusive principles during rapid growth. He explains how principles shape culture, enable autonomy, guide M&A realignments, and strengthen intergenerational dialogue and client trust.
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Career Pivot Led By A Mailed Resume
- Dave Butler described his career pivot from planning to be a teacher and basketball coach to mailing a resume and interviewing with Dimensional in New York and Santa Monica.
- That unexpected application led to an interview with founders Merton Miller, David Booth and Dan Wheeler and started his 30-year career at Dimensional.
Formal Principles Arise From Scaling Challenges
- Dimensional initiated a formal guiding principles process when growth made informal founder-led culture unsustainable.
- A 15–20 person, day-and-a-half workshop with HR, trading, academics and leaders distilled principles rather than a single mission line.
Write Principles Down And Repeat Them
- Put principles on paper and repeat them across the organization to ensure new hires worldwide understand firm purpose.
- Use simple summaries, repetition, videos and stories so employees from CEO to front desk live the principles.